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Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Taxes Disclosure [Line Items]    
Increase in valuation allowance $ 34,900,000  
Orphan drug credit carryforwards $ 14,628,000 $ 6,679,000
Open tax year 2016 2017 2018 2019 2020  
Accrued interest related to uncertain tax positions $ 0 0
Accrued penalties related to uncertain tax positions 0 0
Penalties and interest expense related to income taxes 0  
Federal    
Income Taxes Disclosure [Line Items]    
Net operating loss carryforwards $ 275,100,000  
Net operating loss carryforwards expiration beginning year 2036  
Net operating loss carryforwards indefinitely $ 251,500,000  
Tax credit carryforwards, Expiration year 2040  
Orphan drug credit carryforwards $ 14,600,000  
Federal | Research and Development    
Income Taxes Disclosure [Line Items]    
Tax credit carryforwards   $ 6,900,000
Tax credit carryforwards, Expiration year 2035  
State    
Income Taxes Disclosure [Line Items]    
Net operating loss carryforwards $ 272,600,000  
Net operating loss carryforwards expiration beginning year 2036  
State | Research and Development    
Income Taxes Disclosure [Line Items]    
Tax credit carryforwards $ 4,000,000.0  
Tax credit carryforwards, Expiration year 2030